blueprint without dependencies! props to https://github.com/10der/homeassistant-custom_components-awtrix

awtrix3-blueprint.yaml

blueprint:
  name: AWTRIX3 Blueprint
  description: Show any entity on awtrix 3 (e.g. ulanzi tc001)
  domain: automation
  input:
    app_name:
      name: (Required) Application name
      description: "Application name"
      default: "awtrix_app"
      selector:
        text:
          multiline: false
          multiple: false

    app_icon:
      name: Application Icon
      description: "Application icon"
      default: ""
      selector:
        text:
          multiline: false
          multiple: false


    awtrix_device:
      name: AWTRIX device
      description: The AWTRIX device for show app.
      default: []
      selector:
        device:
          integration: mqtt
          manufacturer: Blueforcer
          model: AWTRIX 3
          multiple: true

    retain:
      name: Retain
      description: retain means that mqtt sends the same value again and again, until a new one is provided
      default: false
      selector:
        boolean:

    entity:
      name: Entity
      description: Entity
      selector:
        entity:
          multiple: false

    prefix_text:
      name: Text prefix
      description: "Text prefix"
      default: ""

    suffix_text:
      name: Text suffix
      description: "Text suffix"
      default: ""

    extra_trigger:
      name: Extra trigger
      description: Additional trigger to actions.
      selector:
        object:
      default:
        False

    pre_actions:
      name: Actions
      description: Actions when starting...
      selector:
        action:
      default:

    additional_options:
      name: Additional options
      description: Extra options
      selector:
        object:
      default: {}

    user_options:
      name: AWTRIX application options
      description: AWTRIX application useroptions, goes directly to mqtt
      selector:
        object:
      default:
        duration: 5

    additional_conditions:
      name: Additional conditions
      description: |
        Extra conditions you may want to add to this automation 
        (Example: Home occupied, TV on, etc)
      default: []
      selector:
        condition:

trigger:
  - platform: state
    entity_id: !input entity  

  - platform: homeassistant
    event: start

  - platform: event
    event_type: automation_reloaded

  - platform: template
    value_template: !input extra_trigger

condition: []

variables:
  entity_id: !input entity
  app_name: !input app_name
  app_icon: !input app_icon
  additional_conditions: !input additional_conditions
  retain: !input retain

action:
  - choose: []
    default: !input pre_actions

  - &variable_entity
    alias: Variable Entity
    variables:
      !input additional_options

  - variables:
      <<: *variable_entity
      device_ids: !input awtrix_device
      # deprecated !
      user_data: !input additional_options

      value_template: "{{ user_data.get('value_template', states(entity_id)) }}"
      icon_template: "{{ user_data.get('icon_template', app_icon) }}"
      prefix_text: !input prefix_text
      suffix_text: !input suffix_text
      user_options: !input user_options
      retain: !input retain
      payload: |-
        {
          {{('"icon"' if icon_template) ~ (":" if icon_template) ~ ('"' ~ icon_template ~ '"' if icon_template) }}
          {{"," if icon_template}} "text":"{{prefix_text~value_template~suffix_text}}"
        }

  - repeat:
     for_each: "{{ device_ids }}"
     sequence:
       - variables:
            awtrix_device_name: "{{ iif( device_attr(repeat.item, 'name_by_user') != none, device_attr(repeat.item, 'name_by_user'), device_attr(repeat.item, 'name') ) }}"

       - if: !input additional_conditions
         then:
           - service: mqtt.publish
             data:
               qos: 0
               retain: "{{ retain }}"
               topic: "{{awtrix_device_name}}/custom/{{app_name}}"
               payload: >
                 {{ dict(payload, **user_options) }}

         else:
           - service: mqtt.publish
             data:
               qos: 0
               retain: "{{ retain }}"
               topic: "{{awtrix_device_name}}/custom/{{app_name}}"
               payload: {}